berkeman's latest activity
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I'm not leaving; I've been advised on reading Girardi’s book “Sneaking a look at God’s cards” to clear up my view on QM, and I'm... -
berkeman reacted to Baluncore's post in the thread Underwater piezoelectric sensor array receive sensitivity with
Like.
No, you will not. The array pattern may be the same, but the magnitude of the main-lobe energy will be less. A transducer is impedance... -
berkeman reacted to Dale's post in the thread I Is Maxwell's electromagnetism an effective (field) theory? with Like.
Unfortunately, that means the topic is not suitable for this forum. We exclusively focus on topics that are in the literature. We could...
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berkeman replied to the thread Collection of Lame Jokes.
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berkeman reacted to Orodruin's post in the thread B Matter density right after the decoupling with
Informative.
Free-streaming means that the (average) density of matter is so small that the mean-free path exceeds the size of the Universe. The... -
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berkeman replied to the thread Share Animal Pictures: For Animal Lovers.
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berkeman replied to the thread Just an enthusiast!.Welcome to PF; it's good to have you here. :smile:
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Hello fellow Physics enthusiasts, I am an aeronautical engineering graduate (Bachelor's) who is interested in Physics and Mathematics...
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berkeman reacted to AlexB23's post in the thread Does anyone own a Wimshurst or Electrostatic machine? with Like.
Plasma globes are pretty cool. I have touched one before, and the electricity can be a little freaky to see under the glass.
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Strong lightning strike destroys New Zealand radar...
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Some more autumn photos, if I may (shot two days ago)... Chinese lantern (Alkekengi officinarum): A backlit autumn leaf: Colorful...
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berkeman replied to the thread Collection of Science Jokes P2.
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berkeman reacted to bluepilotg-2_07's post in the thread Please tell me where I am going wrong in this integral with Like.
Hello, thank you for the response! I should have known better, but wasn't considering even and oddness. I realize now that the first...
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berkeman replied to the thread Physicist, philosopher, violinist, poet and theories maker.It looks like you ignored my friendly reminder above. Please check your DMs; this intro thread is closed.
